Most local and regional adult volleyball tournaments are organized by skill level, not by age group. The nationals do include age-group classes for both men and women. The first table below presents the schedule for the 2018 Open Adult Nationals. The second table summarizes the number of competitors, by gender and selected age groups, for the age-group classes in the 2017 Adult Open Nationals. The third table presents the national champions at the Adult Open Nationals, as well as the number of competitors in each class.